基本思路:
1.繪製單個數字對應的數碼管
2.獲得一串數字,繪製對應的數碼管
3.獲得當前系統時間,繪製對應的數碼管
七段數碼管對應線條:
首先,繪製單個數字對應的數碼管函數:
def drawGap():#繪製數碼管間隔
turtle.penup()
turtle.fd(5)
def drawLine(draw):
drawGap()
if (draw):
turtle.pendown()
else:
turtle.penup()
turtle.fd(40)
turtle.right(90)
之後,根據數字繪製七段數碼管:
def drawDigit(digit):#根據數字繪製七段數碼管
if digit in [2,3,4,5,6,8,9]:#1
drawLine(True)
else:
drawLine(False)
if digit in [0,1,3,4,5,6,7,8,9]:#2
drawLine(True)
else:
drawLine(False)
if digit in [0,2,3,5,6,8,9]:#3
drawLine(True)
else:
drawLine(False)
if digit in [0,2,6,8]:#4
drawLine(True)
else:
drawLine(False)
turtle.left(90)#左轉90度
if digit in [0,4,5,6,8,9]:#5
drawLine(True)
else:
drawLine(False)
if digit in [0,2,3,5,6,7,8,9]:#6
drawLine(True)
else:
drawLine(False)
if digit in [0,1,2,3,4,7,8,9]:#7
drawLine(True)
else:
drawLine(False)
turtle.left(180)
turtle.penup()#爲繪製後續數字確定位置
turtle.fd(20)#爲繪製後續數字確定位置
將數字串轉換成單個數字:
def drawDate(date):
for i in date:
drawDigit(eval(i))
定義主函數:
def main():
turtle.setup(800,350,200,200)
turtle.penup()
turtle.fd(-300)
turtle.pensize(10)
drawDate('20200630')
turtle.hideturtle()
turtle.done()
程序運行結果如下:
接下來,獲得當前系統時間,用於繪製對應的數碼管。
修改drawDate函數:
def drawDate(date):#data爲日期,格式爲‘%Y-%m=%d+’
turtle.pencolor("red")
for i in date:
if i=='-':
turtle.write('年',font=('Arial',18,"normal"))
turtle.pencolor("green")
turtle.fd(40)
elif i=='=':
turtle.write('月',font=('Arial',18,"normal"))
turtle.pencolor("blue")
turtle.fd(40)
elif i=='+':
turtle.write('日',font=('Arial',18,"normal"))
else:
drawDigit(eval(i))
主函數:
def main():
turtle.setup(800,350,200,200)
turtle.penup()
turtle.fd(-300)
turtle.pensize(10)
drawDate(time.strftime('%Y-%m=%d+',time.gmtime()))
turtle.hideturtle()
turtle.done()
修改後的程序結果如圖: